Finding your balls . . .
auburncatfish said:
I have the same problem with bass guitar and acoustic guitar. Since I prefer a naturally bassy guitar, it interferes with the actual bass guitar. Can you compensate with different frequencies while still keeping both "bassy"?
That's really the million dollar question, there. And if the answer were simple, then it would most likely be published, widely-shared knowlege by now. The fact that there are several different ways to go about this, and most involve simple trial and error, is why there are guys getting paid big (and not-so-big) dollars to mix professionally . . . and why there are guys like us on homerecording.com.
That said, I've stumbled upon a few simple ideas that do the trick for me:
* Always boost around 800 hz on the bass. I know this is going to get me in to trouble with some of the literalists out there, but I'm telling you, boost it, even if it's just a little.
* Multiband compression as opposed to high-pass filtering (bass-cutting).
Simple bass cutting/rolloffs will make guitars sound thinner, to an extent. There's no way around it. Compressing certain frequencies and freq. ranges( rather than cutting them) will tame problem areas and set limits. The result is a much
better behaved low end as opposed to a greatly reduced one.
* Cut only the low frequencies on the accoustic guitar that create mud and/or interfere with the bass guitar. That might be a lot of them.

But usually, there will be a narrower band that, when boosted, will restore some balls to the guitar
without mucking too much with the bass. This will be your magic "Accoustic Guitar balls-restorer" frequency.
Start out with a steep rolloff somewhere around 400-500 hz, and maybe another deeper one starting somewhere around 100-150 hz (
Dont' apply it yet.

).
Then, find your "balls frequency," and restore it. It's sort of like digging for hidden treasure. Sometimes it's there, but sometimes it's not, and sometimes it's fools-gold, so exercise caution.
Note: 250 hz often does the trick for me. Be careful, as the snare is usually around 200, and anything above 250 is mud territory so be careful not to get sucked in.